首页>
外国专利>
Method and apparatus for quantifying thermal oxidation tester tube deposits
Method and apparatus for quantifying thermal oxidation tester tube deposits
展开▼
机译:量化热氧化测试管沉积物的方法和装置
展开▼
页面导航
摘要
著录项
相似文献
摘要
A short wavelength light beam such as the blue/green emission lines of an argon-ion laser, is projected through a narrow slit into a chamber onto a metal tube of the kind typically used to receive deposits in fuel testing. The spuriously reflected light is absorbed into the interior chamber wall. The beam spot on the tube is imaged by a short focal length lens onto a photodetector such as a photomultiplier tube. The radiation passing to the detector is filtered to block out all radiation except that having a wave length longer than the incident light. By this means, fluorescence from the deposits on such metal tubes, induced by the incident light beam, is quantified and is used as a proportional indication of the deposit thickness. The metal tube is simultaneously rotated and translated to scan the entire tube and thereby obtain a map of the tube deposits in order to establish a test rating for the fuel.
展开▼